月亮环绕地球自转

说明：  nothing special. i m so tired

新编剑桥商务英语（BEC）（中、高级）词汇-New Business English (BEC) (senior) vocabulary

proteus8.0d的基本使用方法，包括了从工程创建到完整的仿真图，适合小白入手(Proteus 8.0d basic usage method, including from engineering creation to complete simulation diagram, suitable for Xiaobai to start with)

Screen-Capturing_v3.4

二维的中心支撑钢框架结构OpenSees模型，及其在地震荷载作用下的非线性静力和非线性动力分析。(2D Special Concentric Braced Frame Opensees Model, and the cooresponding pushover and dynamic analysis.)

说明：  输入电压，根据外环的滑膜速度控制器SMC和内环的PI电流控制器使电机的运行速度跟随期望速度，并能观测到其中三相电流的变化过程。(According to the input voltage, according to the outer-loop sliding film speed controller SMC and the inner-loop PI current controller, the speed of the motor can follow the desired speed, and the change process of three-phase current can be observed.)

都　是好东西，不是精品我不发的。大家要珍惜机会-are good but not excellent, I do not issued. We should treasure this opportunity

本程序是四则运算的小程序。在C++的环境下开发的。-four small Operational procedures. The C development environment.

完整的vb销售系统源代码，包含了crystalreport的生成，密码peng-complete vb marketing system source code, contains crystalreport generation, Password peng

eterm 模拟socket连接源码，java编写，经测试仍可用。(Eterm analog socket connection source,by java)